Bagel knife



FIG. 1 is a top, front and side perspective view of a bagel knife of our new design;

FIG. 2 is a top, back and right side perspective view of FIG. 1;

FIG. 3 is a back view of FIG. 1;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a front view of FIG. 1;

FIG. 6 is a top view of FIG. 1; and,

FIG. 7 is a bottom view of FIG. 1. The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a bagel knife, as shown and described. 